How to enable 'Reading View' feature in Internet Explorer 11 of Windows 8.1 Pro RTM
У вашего броузера проблема в совместимости с HTML5
For more details and step-by-step instructions visit: http://www.windows8core.com/how-to-turn-on-the-reading-view-mode-in-internet-explorer-11-of-windows-8-1-final-video/